Canon EOS 60D - Manual (Page 86)

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3 Setting the Image-recording Quality
A RAW image is raw data output by the image sensor converted to
digital data. It is recorded to the card as is, and you can select the
quality as follows: 1, 41, or 61.
A 1 image can be processed with the [3 RAW image processing]
menu (p.224) and saved as a JPEG image. (41 and 61 images
cannot be processed with the camera.) While the RAW image itself
does not change, you can process the RAW image according to
different conditions to create any number of JPEG images from it.
With all RAW images, you can use the provided software to make
various adjustments and then generate a JPEG, TIFF, etc., image
incorporating those adjustments.
About RAW
If the image’s aspect ratio is different from the printing paper’s aspect ratio,
the image may be cropped significantly if you print it as a borderless print. If
the image is cropped, it may look more grainy on the paper due to the fewer
number of pixels.
If you select both RAW and JPEG, the same image will be recorded
simultaneously to the card in both file types at the selected image-
recording quality. The two images will be saved in the same folder with
the same file numbers (file extension .JPG for JPEG and .CR2 for RAW).
The image-recording quality settings are named as follows: 1 (RAW),
41
(Medium RAW), 61 (Small RAW), JPEG, 7 (Fine), 8
(Normal), 3 (Large), 4 (Medium), 6 (Small).
Commercially-available software might not be able to display RAW images.
Using the provided software is recommended.